Messages in this thread Patch in this message | | | From | Laxman Dewangan <> | Subject | [PATCH 1/2] input: gpio-keys: add support for disable button from DT | Date | Tue, 12 Jan 2016 17:02:49 +0530 |
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Add support to disable the button from DT via status property if given button is not supporting on given platforms.
This will help to re-use the existing dtsi file with status enable/disable across platforms.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> --- drivers/input/keyboard/gpio_keys.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index bef317f..cf068cb 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -632,6 +632,14 @@ gpio_keys_get_devtree_pdata(struct device *dev) for_each_child_of_node(node, pp) { enum of_gpio_flags flags; + /* Ignore the button if status of node is disabled */ + error = of_device_is_available(pp); + if (!error) { + dev_info(dev, "Button %s is ignored\n", pp->name); + pdata->nbuttons--; + continue; + } + button = &pdata->buttons[i++]; button->gpio = of_get_gpio_flags(pp, 0, &flags); -- 2.1.4
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